Build(deps-dev): Bump rouge from 4.2.0 to 4.2.1 (#26231)

Bumps [rouge](https://github.com/rouge-ruby/rouge) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/rouge-ruby/rouge/releases)
- [Changelog](https://github.com/rouge-ruby/rouge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rouge-ruby/rouge/compare/v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: rouge
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -372,7 +372,7 @@ GEM
     rexml (3.2.6)
     rinku (2.0.6)
     rotp (6.3.0)
-    rouge (4.2.0)
+    rouge (4.2.1)
     rqrcode (2.2.0)
       chunky_png (~> 1.0)
       rqrcode_core (~> 1.0)